WebUI: Fix shadow_banned_IPs #390

Job	Run time
appimage	38m 18s
cross-compile (arm-linux-musleabi)	18m 56s
cross-compile (arm-linux-musleabihf)	19m 22s
cross-compile (aarch64-linux-musl)	19m 42s
cross-compile (mips-linux-musl)	19m 12s
cross-compile (mipsel-linux-musl)	19m 12s
cross-compile (mips64-linux-musl)	19m 50s
cross-compile (mips64el-linux-musl)	19m 41s
cross-compile (x86_64-linux-musl)	19m 21s
cross-compile (i686-linux-musl)	19m 10s
	3h 32m 44s

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